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SubjectRe: getting process i/o wasted time ...
On Wed, 6 Mar 2002, Richard B. Johnson wrote:

> Time for I/O is not generally "wasted" as you say. It is given to
> other tasks. Of course if there are no other tasks that want the
> CPU then, I guess, you could call it wasted.

I guess it may be useful to measure IO wait time in the
kernel, where IO wait time is defined as:

1) a CPU is idle

2) there are processes in D state


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